\(V^{0}\)  decays are determined by two (or more) tracks which are emitted from a secondary vertex and which might come close to each other (the minimum distance is called Distance-of-Closest-Approach DCA) while each of the tracks has a certain minimum distance (DCA of the track to a vertex) to the primary vertex. A powerful selection criterion for detecting proper \(V^{0}\)  candidates is the restriction of the pointing angle, namely the angle between the reconstructed flight-line and the reconstructed momentum of the \(V^{0}\)  particle. More details of the secondary vertex reconstruction can be found in [1]}, [2]}, [3]}, where also the clear and effective identification of \(\Lambda \)  baryons is displayed using the aforementioned technique.
The selection criteria, described below, are optimised using a Monte Carlo set where the simulated exotic bound states are assumed to live as long as a free \(\Lambda \)  baryon. This is a reasonable assumption for all strange dibaryons, which are expected to live around 2–4\(\times 10^{-10}\)  s [4]}, [5]}, [6]} in the regions of binding energies investigated here.
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